PHILADELPHIA -- The Philadelphia Stock Exchange has begun trading put and call options on Astoria Financial. Corp. and Greater New York Savings.

The Astoria Financial options, trading under the symbol "AQR," expire in January. The Greater New York options, which expire in February, trade under the symbol "GQR."

The stock exchange also Said it will extend its equity floor trading hours by 15 minutes each day, with trading ending at 4:15 p.m., subject to approval by the Securities and Exchange Commission.

The exchange said the change will coincide with the trading hours of its equity and index options floors.

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